AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch/s390/pci
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Alexander Gordeev a2bd4097b3 s390/pci: fix CPU address in MSI for directed IRQ 
The directed MSIs are delivered to CPUs whose address is
written to the MSI message address. The current code assumes
that a CPU logical number (as it is seen by the kernel)
is also the CPU address.

The above assumption is not correct, as the CPU address
is rather the value returned by STAP instruction. That
value does not necessarily match the kernel logical CPU
number.

Fixes: e979ce7bce ("s390/pci: provide support for CPU directed interrupts")
Cc: <stable@vger.kernel.org> # v5.2+
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2020-12-02 18:17:50 +01:00
..
Makefile s390/pci: consolidate SR-IOV specific code 2020-09-14 11:38:34 +02:00
pci_bus.c VFIO updates for v5.10-rc1 2020-10-22 13:00:44 -07:00
pci_bus.h s390: remove orphaned function declarations 2020-09-30 12:09:54 +02:00
pci_clp.c VFIO updates for v5.10-rc1 2020-10-22 13:00:44 -07:00
pci_debug.c
pci_dma.c dma-mapping: split <linux/dma-mapping.h> 2020-10-06 07:07:03 +02:00
pci_event.c s390/pci: fix hot-plug of PCI function missing bus 2020-11-03 15:12:16 +01:00
pci_insn.c
pci_iov.c s390/pci: add missing pci_iov.h include 2020-09-16 14:08:47 +02:00
pci_iov.h s390/pci: consolidate SR-IOV specific code 2020-09-14 11:38:34 +02:00
pci_irq.c s390/pci: fix CPU address in MSI for directed IRQ 2020-12-02 18:17:50 +01:00
pci_mmio.c
pci_sysfs.c
pci.c s390 updates for the 5.10 merge window 2020-10-16 12:36:38 -07:00